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Empirical parameterization of the K-+/- -> pi(+/-)pi(0)pi(0) decay Dalitz plot

Research output: Contribution to journalArticle

  • J. R. Batley
  • A. J. Culling
  • G. Kalmus
  • C. Lazzeroni
  • D. J. Munday
  • M. W. Slater
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  • L. Gatignon
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  • S. Balev
  • P. L. Frabetti
  • E. Goudzovski
  • P. Hristov
  • V. Kekelidze
  • V. Kozhuharov
  • L. Litov
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  • Yu. Potrebenikov
  • S. Stoynev
  • A. Zinchenko
  • E. Monnier
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  • W. Baldini
  • A. Cotta Ramusino
  • P. Dalpiaz
  • C. Damiani
  • M. Fiorini
  • A. Gianoli
  • M. Martini
  • F. Petrucci
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  • G. Ruggiero
  • A. Bizzeti
  • M. Lenti
  • M. Veltri
  • M. Behler
  • K. Eppard
  • K. Kleinknecht
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  • L. Masetti
  • U. Moosbrugger
  • C. Morales Morales
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  • A. Winhart
  • D. Coward
  • A. Dabrowski
  • T. Fonseca Martin
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  • M. Szleper
  • M. Velasco
  • M. D. Wood
  • G. Anzivino
  • E. Imbergamo
  • A. Nappi
  • M. Piccini
  • M. Raggi
  • M. Valdata-Nappi
  • P. Cenci
  • M. Pepe
  • M. C. Petrucci
  • C. Cerri
  • R. Fantechi
  • G. Collazuol
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  • I. Mannelli
  • A. Michetti
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  • L. Fiorini
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  • G. Pierazzini
  • M. Sozzi
  • S. Venditti
  • B. Bloch-Devaux
  • C. Cheshkov
  • J. B. Cheze
  • M. De Beer
  • J. Derre
  • G. Marel
  • E. Mazzucato
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  • M. Holder
  • M. Ziolkowski
  • C. Biino
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  • S. Goy Lopez
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  • M. Jeitler
  • M. Markytan
  • I. Mikulec
  • G. Neuhofer
  • L. Widhalm

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Original languageEnglish
Pages (from-to)101-108
Number of pages8
JournalPhysics Letters B
Volume686
Issue number2-3
DOIs
StatePublished - 22 Mar 2010

Abstract

As first observed by the NA48/2 experiment at the CERN SPS, the pi(0)pi(0) invariant mass (M-00) distribution from K-+/- -> pi(+/-)pi(0)pi(0) decay shows a cusp-like anomaly at M-00 = 2m(+), where m(+) is the charged pion mass An analysis to extract the pi pi scattering lengths in the isospin I = 0 and I = 2 states. a(0) and a(2), respectively, has been recently reported In the present work the Dahtz plot of this decay is fitted to a new empirical parameterization suitable for practical purposes, such as Monte Carlo simulations of K-+/- -> pi(+/-)pi(0)pi(0) decays (C) 2010 Elsevier B V All rights reserved

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